.head{
    border-bottom: 1px solid #ccc;
    position: static;
    background-color: rgba(0, 0, 0, .9);
}
.head .head-two a{
    color: rgb(65, 65, 65);
    color: white;
}

.head-login a{
   color:white;
}

.head-login{
    border: 1px solid #ccc;
}

.head-two .active{
  border-bottom: 3px solid #00bdff;
}


/* 粒子插件 */
.canvas{
    width: 100%;
    height: 320px;
    background-color: rgba(0, 0, 0, .9);
    position: relative;
}

canvas{
    position: absolute !important;
    width: 100%;
    height: 320px !important;
    z-index: 1 !important;
}

.canvas .case-title{
    /* width: 300px; */
    position: absolute !important;
    top: 80px ;
    left: 490px ;
    text-align: center;
    color: white;
    z-index: 5;
    line-height: 40px;
    
}

.case-title h2{
    font-size: 45px;
    font-weight: normal;
}

.case-main{
    width: 100%;
    /* height: 1200px; */
    box-sizing: border-box;
    padding: 30px 0;
    background-color: #f8f8f8;
}


.case-main li {
    height: 380px;
    width: 380px;
    margin-right: 26px;
    border: 1px solid rgb(221, 219, 219);
}
.case-main li:last-child{
    margin-right:0px
}

.case-main li .case-limain{
    width: 360px;
    height: 370px;
    box-sizing: border-box;
    padding: 20px;
}

.case-main li .case-limain img{
    width: 340px;
    height: 150px;
    margin-bottom: 20px;
}

.case-main li .case-limain h6{
    font-weight: normal;
    line-height: 20px;
}
.case-main li .case-limain h4{
    margin-bottom: 10px;
}
.case-main li:nth-child(3n){
margin-right: 0;
}


.case-main ul{
    margin-bottom: 30px;
}
.case-main p{
    margin-bottom: 30px;
}

.case-main ul li a{
    color:#005be0; 
    font-size: 12px;
    line-height: 55px;
}
.case-main  .case-main4 li{
    width: 382px;
    height: 120px ;
    background-color: white;
    box-sizing: border-box;
    padding: 40px 115px;
    margin-bottom: 30px;
}



/* 楼层 */

.floor{
    width: 80px;
    height: 150px;
    /* background-color: #00bdff; */
    position: absolute;
    left: 50%;
    margin-left: 640px;
    top: 600px;
}

.floor p{
    font-size: 15px;
    text-align: center;
    line-height: 30px;
    cursor: pointer;
}

.floor .active {
    position: relative;
  }
.floor .active::after{
    content: '';
    position: absolute;
    width: 10px;
    height: 2px;
    background-color: #00bdff;
    top: 14px;
    left: -10px;
}

.floor-gd{
    position: fixed;
    top: 100px;
}